How to play when 28 football teams are eliminated? * * * There are several games, please ask the master for help?

There are four seed teams, the first round is bye, the other 24 teams draw lots in the first round, and the second round 16 team starts, so there is no need for bye.

In the first round, 24 teams participated in 12 matches.

In the second round, 4 seed teams+12 winning teams in the first round, 8 games.

Third round, quarter-finals, four games.

Fourth round, semi-final, 2 games

The fifth round, the final, 1.

A ***27 games.